/* =========================================================
   NAV10 — Auth pages
   Split editorial layout · Premium forms
   ========================================================= */

.auth-shell {
    display: grid;
    grid-template-columns: 45% 55%;
    min-height: calc(100vh - var(--header-h));
}

.auth-shell__brand {
    background: var(--nav-black);
    color: var(--nav-white);
    display: flex;
    align-items: flex-end;
    padding: clamp(3rem, 8vw, 5rem);
    position: relative;
    overflow: hidden;
}

.auth-shell__brand::before {
    content: "";
    position: absolute;
    top: var(--nav-space-6);
    right: var(--nav-space-6);
    width: 1px;
    height: calc(100% - var(--nav-space-12));
    background: var(--nav-dark-line);
}

.auth-shell__brand-inner {
    position: relative;
    z-index: 1;
    max-width: 22rem;
}

.page-register .auth-shell__brand-inner {
    max-width: 26rem;
}

.page-register .auth-shell__headline {
    font-size: clamp(2rem, 4.5vw, 3rem);
}

.auth-shell__headline {
    margin-top: var(--nav-space-6);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 0.95;
}

.auth-shell__main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: clamp(2.5rem, 6vw, 4rem) var(--gutter);
    background: var(--nav-white);
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.auth-page {
    width: 100%;
    max-width: 480px;
}

.auth-page--register {
    max-width: 560px;
}

.auth-card {
    width: 100%;
}

.auth-card--wide {
    max-width: 560px;
}

.auth-eyebrow {
    margin-bottom: var(--nav-space-3);
}

.auth-title {
    font-size: clamp(2rem, 4.5vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin-bottom: var(--nav-space-3);
}

.auth-lead {
    margin: 0 0 var(--nav-space-6);
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--nav-muted);
}

.auth-hint {
    margin: calc(var(--nav-space-3) * -1) 0 0;
    font-size: 0.8125rem;
    color: var(--nav-soft);
}

.auth-section {
    border: none;
    margin: 0 0 var(--nav-space-6);
    padding: 0;
}

.auth-section__legend {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    margin: 0 0 var(--nav-space-4);
    padding: 0;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--nav-black);
}

.auth-section__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    height: 1.5rem;
    padding: 0 0.4rem;
    background: #000;
    color: #fff;
    font-size: 0.6875rem;
    letter-spacing: 0.06em;
}

.auth-choice {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.auth-choice__item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    text-align: left;
    width: 100%;
    min-height: 96px;
    padding: 1rem 0.95rem;
    border: 2px solid rgba(0, 0, 0, 0.14);
    background: #fff;
    color: var(--nav-black);
    cursor: pointer;
    transition: border-color var(--duration) var(--ease),
                background-color var(--duration) var(--ease),
                color var(--duration) var(--ease),
                box-shadow var(--duration) var(--ease);
}

.auth-choice__item:hover {
    border-color: rgba(0, 0, 0, 0.45);
}

.auth-choice__item.is-active {
    background: #000;
    border-color: #000;
    color: #fff;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
}

.auth-choice__mark {
    flex-shrink: 0;
    width: 1.1rem;
    height: 1.1rem;
    margin-top: 0.15rem;
    border: 2px solid currentColor;
    border-radius: 50%;
    position: relative;
    opacity: 0.45;
}

.auth-choice__item.is-active .auth-choice__mark {
    opacity: 1;
}

.auth-choice__item.is-active .auth-choice__mark::after {
    content: "";
    position: absolute;
    inset: 3px;
    border-radius: 50%;
    background: currentColor;
}

.auth-choice__body {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    min-width: 0;
}

.auth-choice__title {
    font-size: 0.9375rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.auth-choice__text {
    font-size: 0.75rem;
    line-height: 1.4;
    opacity: 0.62;
}

.auth-choice__item.is-active .auth-choice__text {
    opacity: 0.78;
}

.auth-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--nav-space-4);
}

.auth-upload {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    min-height: 72px;
    padding: 0.9rem 1rem;
    border: 2px dashed rgba(0, 0, 0, 0.2);
    background: rgba(0, 0, 0, 0.02);
    cursor: pointer;
    transition: border-color var(--duration) var(--ease), background-color var(--duration) var(--ease);
}

.auth-upload:hover,
.auth-upload:focus-within {
    border-color: #000;
    background: #fff;
}

.auth-upload.is-invalid {
    border-color: rgba(0, 0, 0, 0.55);
}

.auth-upload__input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

.auth-upload__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    background: #000;
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    flex-shrink: 0;
}

.auth-upload__text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
    flex: 1;
}

.auth-upload__text strong {
    font-size: 0.875rem;
    font-weight: 700;
}

.auth-upload__text small {
    font-size: 0.75rem;
    color: var(--nav-muted);
}

.auth-upload__name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--nav-soft);
    max-width: 7.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.auth-upload__name.is-filled {
    color: var(--nav-black);
}

.auth-terms {
    padding: 0.95rem 1rem;
    border: 1px solid var(--nav-line);
    background: rgba(0, 0, 0, 0.02);
}

.auth-switch {
    margin-top: var(--nav-space-6);
    text-align: center;
    font-size: 0.9375rem;
    color: var(--nav-muted);
}

.auth-switch a {
    color: var(--nav-black);
    font-weight: 700;
}

/* Legacy segmented toggle (login etc.) */
.auth-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-bottom: var(--nav-space-6);
    border: 1px solid var(--nav-line);
    border-radius: var(--nav-radius-sm);
    overflow: hidden;
    padding: 3px;
    background: var(--nav-faint);
}

.auth-toggle__btn {
    min-height: 48px;
    border-radius: calc(var(--nav-radius-sm) - 2px);
    border: none;
    background: transparent;
    color: var(--nav-muted);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: background-color var(--duration) var(--ease),
                color var(--duration) var(--ease);
}

.auth-toggle__btn.is-active,
.auth-toggle__btn[aria-pressed="true"] {
    background: var(--nav-black);
    color: var(--nav-white);
}

.auth-toggle__btn:focus-visible,
.auth-choice__item:focus-visible {
    outline: 2px solid var(--nav-black);
    outline-offset: 2px;
}

.form-stack {
    display: flex;
    flex-direction: column;
    gap: var(--nav-space-5);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group .form-control.is-invalid {
    border-color: rgba(0, 0, 0, 0.55);
}

.form-error {
    margin-top: var(--nav-space-2);
    font-size: 0.8125rem;
    color: rgba(0, 0, 0, 0.55);
}

.form-row-between {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-top: calc(var(--nav-space-2) * -1);
}

.form-link {
    font-size: 0.875rem;
    color: var(--nav-muted);
    transition: color var(--duration) var(--ease);
}

.form-link:hover {
    color: var(--nav-black);
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--nav-space-3);
    margin-top: var(--nav-space-2);
}

.form-check input {
    margin-top: 0.2rem;
    width: 18px;
    height: 18px;
    accent-color: #000;
    flex-shrink: 0;
}

.form-check label {
    font-size: 0.875rem;
    color: var(--nav-muted);
    line-height: 1.55;
}

.form-check a {
    color: var(--nav-black);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.auth-submit {
    margin-top: var(--nav-space-3);
    width: 100%;
    min-height: 56px;
    border-radius: var(--nav-radius-sm);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--nav-space-4);
    margin: var(--nav-space-6) 0;
    color: var(--nav-soft);
    font-size: 0.6875rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--nav-line);
}

.auth-footer-text {
    text-align: center;
    font-size: 0.9375rem;
    color: var(--nav-muted);
}

.auth-footer-text a {
    color: var(--nav-black);
    font-weight: 700;
}

.alert {
    padding: var(--nav-space-4) var(--nav-space-5);
    border-radius: var(--nav-radius-sm);
    margin-bottom: var(--nav-space-5);
    font-size: 0.9375rem;
    line-height: 1.55;
}

.alert--error {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.14);
    color: var(--nav-black);
}

.alert--success {
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.12);
    color: var(--nav-black);
}

.alert--info {
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--nav-line);
    color: var(--nav-muted);
}

.auth-panel-fields[hidden] {
    display: none !important;
}

/* Standalone admin login (no site header) */
.page-admin-login .auth-shell {
    min-height: 100vh;
    min-height: 100dvh;
}

.page-admin-login .auth-shell__brand-inner .auth-admin-label {
    display: block;
    margin-top: var(--nav-space-4);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--nav-on-dark-soft);
}

.page-admin-login .auth-shell__main {
    flex: 1;
    width: 100%;
}

.page-admin-login .auth-page,
.page-admin-login .auth-card {
    width: 100%;
    max-width: 26rem;
}

/* Standalone panel pages (email verify etc.) */
.panel-shell {
    min-height: calc(100vh - var(--header-h));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(3rem, 8vw, 6rem) var(--gutter);
}

.panel-card {
    width: 100%;
    max-width: 560px;
    text-align: center;
}

.panel-card .label-caps {
    margin-bottom: var(--nav-space-4);
}

.panel-card h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: var(--nav-space-4);
}

.panel-card p {
    color: var(--nav-muted);
    font-size: 1.0625rem;
    line-height: 1.7;
    margin-bottom: var(--nav-space-6);
}

/* Mobile brand strip */
.auth-mobile-brand {
    display: none;
    width: 100%;
    max-width: 26rem;
    padding-bottom: var(--nav-space-5);
    margin: 0 0 var(--nav-space-5);
    border-bottom: 1px solid var(--nav-line);
}

.auth-mobile-brand .logo {
    display: inline-flex;
    color: var(--nav-black);
    font-size: 0.875rem;
}

.auth-mobile-brand .site-logo {
    height: 2.5rem;
    width: auto;
}

@media (max-width: 991.98px) {
    .auth-shell {
        display: flex;
        flex-direction: column;
        grid-template-columns: none;
        width: 100%;
        max-width: 100%;
    }

    .auth-shell__brand {
        display: none !important;
    }

    .auth-shell__main {
        align-items: stretch;
        justify-content: flex-start;
        width: 100%;
        max-width: 100%;
        padding: 1.5rem 1.25rem 2.5rem;
        box-sizing: border-box;
    }

    .auth-mobile-brand {
        display: block;
        margin-left: auto;
        margin-right: auto;
    }

    .auth-page,
    .auth-card {
        width: 100%;
        max-width: 26rem;
        margin-left: auto;
        margin-right: auto;
    }

    .page-admin-login .auth-shell__main {
        padding: 1.75rem 1.25rem 2.75rem;
    }

    .page-admin-login .auth-mobile-brand .site-logo {
        height: 2.75rem;
    }
}

@media (max-width: 767px) {
    .auth-title {
        margin-bottom: var(--nav-space-3);
    }

    .auth-choice {
        grid-template-columns: 1fr;
    }

    .auth-form-grid {
        grid-template-columns: 1fr;
    }

    .auth-choice__item {
        min-height: 84px;
    }

    .auth-shell__main {
        padding-inline: 1rem;
        width: 100%;
        max-width: 100%;
    }

    .auth-card,
    .auth-page {
        width: 100%;
        max-width: 100%;
    }

    .page-login .btn,
    .page-register .btn,
    .page-admin-login .btn {
        width: 100%;
        max-width: none;
    }
}

/* ---------- Centered auth (login + register) ---------- */

.page-login,
.page-register {
    --login-font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    background: #fff;
    font-family: var(--login-font);
}

.page-login .menu-toggle,
.page-login .mobile-drawer,
.page-register .menu-toggle,
.page-register .mobile-drawer {
    display: none !important;
}

.page-login #main,
.page-register #main {
    min-height: calc(100vh - var(--header-h) - 88px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 3.5rem var(--gutter) 4rem;
}

.page-login #main {
    align-items: center;
}

.auth-login {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
}

.auth-register {
    max-width: 520px;
}

.auth-login__card {
    width: 100%;
}

.auth-login__eyebrow {
    margin: 0 0 0.65rem;
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #b0b0b0;
}

.auth-login__title {
    margin: 0 0 0.75rem;
    font-family: var(--login-font);
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: #111;
}

.page-login .auth-login__title {
    margin-bottom: 2rem;
}

.auth-login__lead {
    margin: 0 0 1.75rem;
    font-size: 0.9375rem;
    line-height: 1.55;
    color: #8f8f8f;
}

.auth-login__form {
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
}

.page-login .form-label,
.page-register .form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #b0b0b0;
}

.page-login .form-control,
.page-register .form-control {
    width: 100%;
    min-height: 52px;
    padding: 0.85rem 1rem;
    border: 1px solid #e4e4e4;
    border-radius: 0.75rem;
    background: #fff;
    font-family: var(--login-font);
    font-size: 0.975rem;
    color: #111;
    box-shadow: none;
}

.page-login .form-control::placeholder,
.page-register .form-control::placeholder {
    color: #c0c0c0;
}

.page-login .form-control:focus,
.page-register .form-control:focus {
    outline: none;
    border-color: #111;
}

.page-login .form-control.is-invalid,
.page-register .form-control.is-invalid {
    border-color: #111;
}

.page-login .auth-toggle,
.page-register .auth-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin: 0;
    padding: 4px;
    border: 1px solid #e6e6e6;
    border-radius: 999px;
    background: #fff;
    overflow: hidden;
}

.page-login .auth-toggle__btn,
.page-register .auth-toggle__btn {
    min-height: 44px;
    border: none;
    border-radius: 999px;
    background: transparent;
    color: #b0b0b0;
    font-family: var(--login-font);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.page-login .auth-toggle__btn.is-active,
.page-login .auth-toggle__btn[aria-pressed="true"],
.page-register .auth-toggle__btn.is-active,
.page-register .auth-toggle__btn[aria-pressed="true"] {
    background: #111;
    color: #fff;
}

.page-login .form-row-between,
.page-register .form-row-between {
    margin-top: 0.55rem;
    justify-content: flex-end;
}

.page-login .form-link,
.page-register .form-link {
    font-size: 0.8125rem;
    color: #b0b0b0;
    text-decoration: none;
}

.page-login .form-link:hover,
.page-register .form-link:hover {
    color: #111;
}

.page-login .auth-submit,
.page-register .auth-submit {
    margin-top: 0.35rem;
    width: 100%;
    min-height: 54px;
    border-radius: 0.85rem;
    border: none;
    background: #111;
    color: #fff;
    font-family: var(--login-font);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0;
    text-transform: none;
}

.page-login .auth-submit:hover,
.page-register .auth-submit:hover {
    background: #000;
}

.page-login .auth-divider,
.page-register .auth-divider {
    margin: 1.75rem 0 1.15rem;
    color: #c0c0c0;
    font-size: 0.6875rem;
    letter-spacing: 0.16em;
}

.page-login .auth-footer-text,
.page-register .auth-footer-text {
    text-align: center;
    font-size: 0.875rem;
    color: #9a9a9a;
}

.page-login .auth-footer-text a,
.page-register .auth-footer-text a {
    color: #111;
    font-weight: 700;
    text-decoration: none;
}

.page-register .auth-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.page-register .auth-hint {
    margin: -0.35rem 0 0;
    font-size: 0.8125rem;
    color: #9a9a9a;
}

.page-register .auth-upload {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    min-height: 72px;
    padding: 0.9rem 1rem;
    border: 1px dashed #d8d8d8;
    border-radius: 0.75rem;
    background: #fafafa;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-register .auth-upload:hover,
.page-register .auth-upload:focus-within {
    border-color: #111;
    background: #fff;
}

.page-register .auth-upload.is-invalid {
    border-color: #111;
    border-style: solid;
}

.page-register .auth-upload__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    background: #111;
    color: #fff;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.page-register .auth-upload__text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
    flex: 1;
}

.page-register .auth-upload__text strong {
    font-size: 0.9rem;
    font-weight: 600;
    color: #111;
}

.page-register .auth-upload__text small {
    font-size: 0.75rem;
    color: #9a9a9a;
}

.page-register .auth-upload__name {
    font-size: 0.75rem;
    color: #b0b0b0;
    max-width: 7rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.page-register .auth-upload__name.is-filled {
    color: #111;
    font-weight: 600;
}

.page-register .auth-terms {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.95rem 1rem;
    border: 1px solid #e6e6e6;
    border-radius: 0.75rem;
    background: #fafafa;
}

.page-register .auth-terms input {
    margin-top: 0.2rem;
    width: 18px;
    height: 18px;
    accent-color: #111;
    flex-shrink: 0;
}

.page-register .auth-terms label {
    font-size: 0.875rem;
    line-height: 1.5;
    color: #6f6f6f;
    text-transform: none;
    letter-spacing: 0;
}

.page-register .auth-terms a {
    color: #111;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.page-register .auth-panel-fields {
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
}

.page-login .site-footer,
.page-register .site-footer {
    border-top: 1px solid #eee;
    padding: 0;
    background: #fff;
}

.page-login .footer-wordmark,
.page-login .footer-grid,
.page-login .footer-locale,
.page-register .footer-wordmark,
.page-register .footer-grid,
.page-register .footer-locale {
    display: none !important;
}

.page-login .footer-bottom,
.page-register .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.35rem 0;
    border-top: none;
}

.page-login .footer-brand,
.page-register .footer-brand {
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #111;
}

.page-login .footer-copy,
.page-register .footer-copy {
    margin: 0;
    font-size: 0.8125rem;
    color: #b0b0b0;
}

@media (max-width: 640px) {
    .page-register .auth-form-grid {
        grid-template-columns: 1fr;
    }

    .page-register .auth-toggle__btn {
        font-size: 0.625rem;
        letter-spacing: 0.06em;
        padding: 0 0.4rem;
    }
}